diff --git a/src/keri/core/eventing.py b/src/keri/core/eventing.py
index 9283f8f68..4d4587f5a 100644
--- a/src/keri/core/eventing.py
+++ b/src/keri/core/eventing.py
@@ -2944,7 +2944,7 @@ def escrowMFEvent(self, serder, sigers, wigers=None,
             couple = seqner.qb64b + saider.qb64b
             self.db.putPde(dgkey, couple)  # idempotent
 
-        res = self.db.misfits.add(keys=(serder.pre, serder.snh), val=coring.Saider(qb64b=serder.saidb))
+        res = self.db.misfits.add(keys=(serder.pre, serder.snh), val=serder.saidb)
         # log escrowed
         logger.info("Kever state: escrowed misfit event=\n%s\n",
                     json.dumps(serder.ked, indent=1))
@@ -4657,7 +4657,7 @@ def escrowMFEvent(self, serder, sigers, wigers=None,
         if seqner and saider:
             couple = seqner.qb64b + saider.qb64b
             self.db.putPde(dgkey, couple)  # idempotent
-        self.db.misfits.add(snKey(serder.preb, serder.sn), serder.saidb)
+        self.db.misfits.add(keys=(serder.pre, serder.snh), val=serder.saidb)
         # log escrowed
         logger.info("Kevery process: escrowed misfit event=\n%s\n",
                     json.dumps(serder.ked, indent=1))
diff --git a/src/keri/db/basing.py b/src/keri/db/basing.py
index d7a22ac31..f71402305 100644
--- a/src/keri/db/basing.py
+++ b/src/keri/db/basing.py
@@ -946,7 +946,7 @@ def reopen(self, **kwa):
                                    subkey='esrs.')
 
         # misfit escrows whose processing may change the .esrs event source record
-        self.misfits = subing.CesrIoSetSuber(db=self, subkey='mfes.', klas=coring.Saider)
+        self.misfits = subing.IoSetSuber(db=self, subkey='mfes.')
 
         # delegable events escrows. events with local delegator that need approval
         self.delegables = subing.CesrIoSetSuber(db=self, subkey='dees.', klas=coring.Diger)